Source Code - Tutorials & Examples

Improve User Experience with Custom JavaScript Form Inputs

When we talk about custom form inputs, we are referring to those interactive elements on a web page where users input information. This includes text fields, checkboxes, radio buttons, and dropdown menus. But what makes them “custom”? Unlike standard HTML form elements, custom form inputs are designed and styled to match the specific look and feel of a website or application. They go beyond the default appearance and functionality by offering a unique and tailored user experience.

5 Best Books to learn a new Programming Language

As an in-demand career, you must expand your knowledge, skill set, and experience as a programmer to keep up with the times. Learning a new language will secure your future in programming and open you to many career opportunities.

C++ Programming Careers Java JavaScript Programming Source Code

Illustration of a binary decision tree compressing into a compact reduced Binary Decision Diagram

Binary Decision Diagrams (BDD) — Complete Guide with Implementation & Applications

Binary Decision Diagrams compress Boolean functions into compact graphs used in verification and circuit design. This guide covers reduction rules, ROBDDs, a C example, and applications.

Algorithms C Programming Data Structures Programming Practices Source Code

How to Send Email using PHP

A detailed guide on PHP mail sending options with examples of using the built-in mail function(), PHPMailer, Symfony, and third-party mail service providers such as Amazon SES, SendGrid and GetResponse.

PHP Source Code

Errors: To Fail or To Recover?

The environment in which your code runs is imperfect: users will provide invalid inputs, external systems will go down, and your code and other code around it will often contain some number of bugs. Given this, errors are inevitable; things can and will go wrong, and as a result you can’t write robust and reliable code without thinking carefully about error cases.

Books C Programming Code Quality Programming Source Code

Shell Sort algorithm: bars being compared across large gaps, converging toward sorted order

Shell Sort Algorithm: C, C++, Java, Python & C# Code

Shell Sort improves insertion sort by sorting far-apart elements first. See how it works, why gap sequences matter, and tested code in five languages.

Algorithms C Programming Sorting Source Code

C# code connected to a spreadsheet grid, illustrating reading and writing Excel files in C#

Read & Write Excel Files in C# — ClosedXML, EPPlus, NPOI & Interop

Working with Excel files in C# has several solutions, and Interop is rarely the best one anymore. Here’s how to read and write .xlsx with ClosedXML, EPPlus and NPOI in modern .NET.

.NET Programming Practices Source Code Utilities Visual Studio

One column of a matrix feeding into four full rows of a cache grid that overflow while the other rows stay empty

LRU and FIFO Cache Simulator in C, Tested on Real Memory Traces

LRU and FIFO cache replacement in C, checked against Valgrind: a matrix walk that misses 100% of the time, and Belady’s anomaly.

C Programming Memory Allocation Source Code

Diagram of a C++ vector showing begin, end, size and capacity across filled and empty cells

C++ std::vector — Complete Guide with Examples & Best Practices

std::vector is the workhorse container of modern C++. This guide covers every core operation, performance tips like reserve(), 2D vectors, and when to use it over arrays and lists.

C++ Programming Data Structures Modern C++ Source Code STL